APA
Grolier business library : collecting a debt. Wanchai, Hong Kong : Grolier International , 1999: Wanchai, Hong Kong : Grolier International , 1999.
Chicago
Grolier business library : collecting a debt. Wanchai, Hong Kong : Grolier International , 1999: Wanchai, Hong Kong : Grolier International , 1999.
Harvard
Grolier business library : collecting a debt. Wanchai, Hong Kong : Grolier International , 1999: Wanchai, Hong Kong : Grolier International , 1999.
MLA
Wanchai, Hong Kong : Grolier International , 1999: Wanchai, Hong Kong : Grolier International , 1999. .